Two expandable tail bags in the powersports luggage storage aisle are close on list price but different in how they approach rear-of-bike storage. The Rhinowalk Motorcycle Tail Bag is a rack-focused expandable option, while the KEMIMOTO Motorcycle Tail Bag is a universal dual-use option. They are listed at USD 54.99 and USD 53.99, so the price gap is about USD 1.00. Both are expandable, so the question is what you carry and how you want it strapped down.
Quick verdict
Choose the Rhinowalk expandable tail bag if you want a rack-mount style bag with sissy-bar straps. Choose the KEMIMOTO expandable tail bag if you prefer a universal dual-use bag with a safety reflective design.
Comparison table
| Product | Listed Price | Price Bar | Capacity | Condition |
| :- | :- | :- | :- | :- |
| Rhinowalk Expandable Tail Bag | USD 54.99 | | 33-45L | Used, like new |
| KEMIMOTO Expandable Tail Bag | USD 53.99 | | 24-34L | New |
Where each product wins
- Rhinowalk: The bag is positioned as an all-weather waterproof trunk-rack bag, so it fits riders who want weather protection built into the main design.
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Product notes
Rhinowalk Motorcycle Tail Bag (33-45L)

The Rhinowalk tail bag is a rear-rack option with sissy-bar straps built for a stable setup. That direct rack-mount approach makes it a good match for riders who prefer a dedicated trunk-rack bag rather than a more general universal bag. The all-weather waterproof trunk-rack design also means the bag itself is the weather barrier, and the included helmet rain cover protects a helmet during wet rides. The main limitation is condition: this unit is listed as used in like-new condition. If a brand-new-unopened bag matters more than a like-new one, that detail will shape your decision. Otherwise, the Rhinowalk gives you a rack bag with the straps and weather protection you need.
KEMIMOTO Motorcycle Tail Bag (24-34L)

The KEMIMOTO tail bag is a universal dual-use bag with a safety reflective design that helps with visibility when riding in low light. These details are useful if you spend time riding after sunset or in low visibility. It also comes with a waterproof cover, so you can shield the bag when the weather turns. Its compatibility range is a big practical point: it covers model years 2000 through 2026 and includes dual-sport motorcycles, off-road motorcycles, scooters, and street motorcycles. That makes it an easy pick if your household has more than one style of ride. The trade-off is capacity: with a 24-34L expandable range, it tops out below the 45L maximum on the Rhinowalk. Riders who carry a large helmet or need extra trip room may find that 34L ceiling too small.
Final choice by use case
If you lean toward a rear-rack style, choose the Rhinowalk. If you lean toward a universal, cross-type bag, choose the KEMIMOTO.